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Individual
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Individual
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Priority to ES283621ApriorityCriticalpatent/ES283621A1/es
Publication of ES283621A1publicationCriticalpatent/ES283621A1/es
Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil
(AREA)
ES283621A1962-12-211962-12-21Una instalación para establecer selectivamente cambios de dirección en bifurcaciones de vías férreas
ExpiredES283621A1
(es)
Procedimiento para la construccion de capiteles portantes, a cualquier altura sobre el nivel del suelo y con cualquier inclinacion con respecto a la vertical.